A fat girl uses her bellybutton to hump the tip of a penis. After finishing, the girl takes her finger, acquires some of the splooge, and gives you a milk mustache.
Man, that belly-job she gave me was off the hook! *Smiles with splooge on upper lip*
by iamthehulk December 08, 2010
The act of a horizontally gifted woman (or man) tossing one off utilising her rolls of frankly disgusting fatty matter. Alternatively, a fat bitch making you cum using her rolls of flab.
"Oi bitch, belly job, now!"
"Your mum belly jobbed me last night"
"Where does the cum go in a belly job?"
by Julia Thebellyjobqueen July 29, 2008

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